Global Patent Index - EP 3482442 B1

EP 3482442 B1 20210728 - BATTERY CELL HAVING AN ELECTROLYTE CONTAINING A METAL SALT

Title (en)

BATTERY CELL HAVING AN ELECTROLYTE CONTAINING A METAL SALT

Title (de)

BATTERIEZELLE MIT METALLSALZ ENTHALTENDER ELEKTROLYT

Title (fr)

CELLULE DE BATTERIE COMPRENANT UN ELECTROLYTE COMPRENANT UN SEL METALLIQUE

Publication

EP 3482442 B1 20210728 (FR)

Application

EP 17734794 A 20170609

Priority

  • FR 1656414 A 20160705
  • FR 2017051479 W 20170609

Abstract (en)

[origin: WO2018007698A1] The invention relates to a Li-ion battery cell comprising a material for a positive electrode, a carbon-based material for a negative electrode, a separator and an electrolyte, said electrolyte comprising: - at least one additive; - at least one lithium salt; - at least one solvent; and - at least one electrically neutral metal salt of formula (I): wherein: - A is a metal chosen from Mn, Fe, Ni, Co, Cu, Cr, Ag and Zn; - B is chosen from Cl, ClO4, TFSI, [N(SO2"R)2] where R = CzF2z+1 or 1 ≤ z < 8, FSI, CF3SO3 and CF3CO2.

IPC 8 full level

H01M 10/0525 (2010.01); H01M 10/0567 (2010.01)

CPC (source: EP KR US)

H01M 4/587 (2013.01 - US); H01M 10/0525 (2013.01 - EP KR US); H01M 10/0567 (2013.01 - EP KR US); H01M 10/0568 (2013.01 - KR US); H01M 10/0569 (2013.01 - US); H01M 2004/027 (2013.01 - US); H01M 2300/0025 (2013.01 - US); Y02E 60/10 (2013.01 - EP)

Citation (examination)

  • JP 2002231306 A 20020816 - DENSO CORP
  • WO 2016055220 A1 20160414 - BAYERISCHE MOTOREN WERKE AG [DE] & US 2017214089 A1 20170727 - JIMENEZ ANTONIA REYES [DE], et al
  • WU M-S ET AL: "Effects of copper trifluoromethanesulphonate as an additive to propylene carbonate-based electrolyte for lithium-ion batteries", ELECTROCHIMICA ACTA, ELSEVIER, AMSTERDAM, NL, vol. 49, no. 25, 1 October 2004 (2004-10-01), pages 4379 - 4386, XP004521159, ISSN: 0013-4686, DOI: 10.1016/J.ELECTACTA.2004.04.029
  • KOMABA S ET AL: "Impact of 2-Vinylpyridine as Electrolyte Additive on Surface and Electrochemistry of Graphite for C/LiMn2O4 Li-Ion Cells", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, ELECTROCHEMICAL SOCIETY, US, vol. 152, no. 5, 1 January 2005 (2005-01-01), pages A937 - A946, XP007910467, ISSN: 0013-4651, DOI: 10.1149/1.1885385

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2018007698 A1 20180111; CN 109417192 A 20190301; EP 3482442 A1 20190515; EP 3482442 B1 20210728; FR 3053843 A1 20180112; FR 3053843 B1 20211210; JP 2019520684 A 20190718; JP 6920410 B2 20210818; KR 102299471 B1 20210907; KR 20190025714 A 20190311; US 2019207262 A1 20190704

DOCDB simple family (application)

FR 2017051479 W 20170609; CN 201780042710 A 20170609; EP 17734794 A 20170609; FR 1656414 A 20160705; JP 2019500317 A 20170609; KR 20197003521 A 20170609; US 201716314973 A 20170609